Reference no: EM132494205
Produce an ERD for a real estate firm that lists property for sale. Also produce a definition for each entity type, attribute, and relationship on your diagram. In addition, draw a data model for this situation using one of the tools specified for this course. The following describes this organization:
-The firm has a number of sales offices in different states. Attributes of sales office include Office_Number (identifier) and Location.
-Each sales office is assigned one or more employees. Attributes of employee include Employee_ID (identifier) and Employee_Name. An employee must be assigned to only one sales office.
-For each sales office there is always one employee assigned to manage that office. An employee may manage only the sales office to which he or she is assigned.
-The firm lists property for sale. Attributes of property include: Property_ID (identifier) and Location. Components of location include Address, City State and Zip_Code.
-Each unit of property must be listed with one (and only one) of the sales offices. A sales office may have any number of properties listed for may have no properties listed.
-Each unit of property has one or more owners. Attributes of owners Are Owner_ID (identifier) and Owner_Name. An owner may only one or more units of property and attribute of the relationship between property and owner is Percent_Owned.
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